Implement av_fifo_realloc2().

Originally committed as revision 14846 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 9 insertions, 0 deletions

diff --git a/libavutil/fifo.h b/libavutil/fifo.h
index 6533be921d..2384f7021f 100644
--- a/libavutil/fifo.h
+++ b/libavutil/fifo.h
@@ -97,10 +97,19 @@ int av_fifo_generic_write(AVFifoBuffer *f, void *src, int size, int (*func)(void
  * Resizes an AVFifoBuffer.
  * @param *f AVFifoBuffer to resize
  * @param size new AVFifoBuffer size in bytes
+ * @see av_fifo_realloc2()
  */
 void av_fifo_realloc(AVFifoBuffer *f, unsigned int size);
 
 /**
+ * Resizes an AVFifoBuffer.
+ * @param *f AVFifoBuffer to resize
+ * @param size new AVFifoBuffer size in bytes
+ * @return <0 for failure >=0 otherwise
+ */
+int av_fifo_realloc2(AVFifoBuffer *f, unsigned int size);
+
+/**
  * Reads and discards the specified amount of data from an AVFifoBuffer.
  * @param *f AVFifoBuffer to read from
  * @param size amount of data to read in bytes